diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/i2c/ccs-pll.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/media/i2c/ccs-pll.c b/drivers/media/i2c/ccs-pll.c index b45e6b30c528..78897a7c1448 100644 --- a/drivers/media/i2c/ccs-pll.c +++ b/drivers/media/i2c/ccs-pll.c @@ -40,6 +40,11 @@ static inline uint32_t is_one_or_even(uint32_t a) return 1; } +static inline uint32_t one_or_more(uint32_t a) +{ + return a ?: 1; +} + static int bounds_check(struct device *dev, uint32_t val, uint32_t min, uint32_t max, char *str) { @@ -458,8 +463,10 @@ int ccs_pll_calculate(struct device *dev, const struct ccs_pll_limits *lim, min_op_pre_pll_clk_div = max_t(uint16_t, min_op_pre_pll_clk_div, clk_div_even_up( - DIV_ROUND_UP(mul * pll->ext_clk_freq_hz, - op_lim_fr->max_pll_op_clk_freq_hz))); + mul / + one_or_more( + DIV_ROUND_UP(op_lim_fr->max_pll_op_clk_freq_hz, + pll->ext_clk_freq_hz)))); dev_dbg(dev, "pll_op check: min / max op_pre_pll_clk_div: %u / %u\n", min_op_pre_pll_clk_div, max_op_pre_pll_clk_div); |